All errata/c9f2/ALT-PU-2025-9797-4
ALT-PU-2025-9797-4

Package update tomcat in branch c9f2

Version9.0.37-alt0.c9.4
Task#391123
Published2026-02-04
Max severityCRITICAL
Severity:

Closed issues (11)

BDU:2023-06559
HIGH7.5

Уязвимость реализации протокола HTTP/2, связанная с возможностью формирования потока запросов в рамках уже установленного сетевого соединения, без открытия новых сетевых соединений и без подтверждения получения пакетов, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2023-10-11Modified: 2026-04-22
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
BDU:2024-02604
HIGH7.5

Уязвимость сервера приложений Apache Tomcat, связанная с неполной очисткой временных или вспомогательных ресурсов, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2024-04-04Modified: 2025-08-22
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
BDU:2024-11286
CRITICAL9.8

Уязвимость сервлета DefaultServlet сервера приложений Apache Tomcat, позволяющая нарушителю выполнить произвольный код

Published: 2024-12-18Modified: 2025-08-22
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C
References
CVE-2023-44487
HIGH7.5

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Published: 2023-10-10Modified: 2025-11-07
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2024-23672
MEDIUM6.3

Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

Published: 2024-03-13Modified: 2025-08-07
CVSS 3.xMEDIUM 6.3
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
CVE-2024-50379
CRITICAL9.8

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration). This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.

Published: 2024-12-17Modified: 2025-11-03
CVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
GHSA-5j33-cvvr-w245
HIGH7.2

Apache Tomcat Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability

Published: 2024-12-17Modified: 2025-11-04
CVSS 3.xHIGH 7.2
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0HIGH 7.2
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
References
GHSA-qppj-fm5r-hxr3
MEDIUM6.9

HTTP/2 Stream Cancellation Attack

Published: 2023-10-11Modified: 2025-10-22
CVSS 3.x
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:H
CVSS 4.0
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A
References
GHSA-v682-8vv8-vpwr
MEDIUM6.3

Denial of Service via incomplete cleanup vulnerability in Apache Tomcat

Published: 2024-03-13Modified: 2025-08-08
CVSS 3.xMEDIUM 6.3
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
GHSA-xpw8-rcwv-8f8p
HIGH7.5

io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack

Published: 2023-10-11Modified: 2023-11-07
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References